71% (2003)

66% (1949)

55% (1980)

67% (1984)

69% (2011)

63% (2002)

0% (1970)

68% (2001)

68% (1999)

68% (2007)

68% (1996)

57% (2005)

54% (2017)

72% (2002)

63% (1986)

68% (1988)

79% (1953)

56% (2018)

57% (2016)

68% (2015)